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user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.The Chef likes to stay in touch with his staff. So, the Chef, the head server, and the sous-chef all carry two-way transceivers so the... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Frank explained its friend Felman the algorithm of Euclides to calculate the GCD
of two numbers. Then Felman implements it algorithm ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.A Little Elephant from the Zoo of Lviv likes lucky strings, i.e., the strings that consist only of the lucky digits 4 and 7.
The Littl... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Given a string s. Can you make it a palindrome by deleting exactly one character? Note that size of the string after deletion would be... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.An established group of scientists are working on finding solution to NP hard problems. They claim Subset Sum as an NP-hard problem. ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Let's call a string a phone number if it has length 11 and fits the pattern "8xxxxxxxxxx", where each "x" is replaced by a digit.
For... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given q queries in the following form:
Given three integers l_i, r_i and d_i, find minimum positive integer x_i such that it ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.An array of integers p_{1},p_{2}, …,p_{n} is called a permutation if it contains each number from 1 to n exactly once. For example, th... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.This is the easier version of the problem. In this version 1 ≤ n, m ≤ 100. You can hack this problem only if you solve and lock both p... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are n points on a coordinate axis OX. The i-th point is located at the integer point x_i and has a speed v_i. It is guaranteed t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Easy and hard versions are actually different problems, so read statements of both problems completely and carefully.
Summer vacation... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Vasilisa the Wise from the Kingdom of Far Far Away got a magic box with a secret as a present from her friend Hellawisa the Wise from ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given an integer n. You have to apply m operations to it.
In a single operation, you must replace every digit d of the number... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Some country is populated by wizards. They want to organize a demonstration.
There are n people living in the city, x of them are the... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.A recently found Ancient Prophesy is believed to contain the exact Apocalypse date. The prophesy is a string that only consists of dig... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are n cows playing poker at a table. For the current betting phase, each player's status is either "ALLIN", "IN", or "FOLDED", a... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.We know that lucky digits are digits 4 and 7, however Vasya's got another favorite digit 0 and he assumes it also is lucky! Lucky numb... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Vasily the Programmer loves romance, so this year he decided to illuminate his room with candles.
Vasily has a candles.When Vasily li... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Sereja has painted n distinct points on the plane. The coordinates of each point are integers. Now he is wondering: how many squares a... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.To celebrate the opening of the Winter Computer School the organizers decided to buy in n liters of cola. However, an unexpected diffi... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.A and B are preparing themselves for programming contests.
B loves to debug his code. But before he runs the solution and starts debu... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Little Susie listens to fairy tales before bed every day. Today's fairy tale was about wood cutters and the little girl immediately st... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Vasya wants to turn on Christmas lights consisting of m bulbs. Initially, all bulbs are turned off. There are n buttons, each of them ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.A factory produces thimbles in bulk. Typically, it can produce up to a thimbles a day. However, some of the machinery is defective, so... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Long time ago, there was a great kingdom and it was being ruled by The Great Arya and Pari The Great. These two had some problems abou... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In Walrusland public transport tickets are characterized by two integers: by the number of the series and by the number of the ticket ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Nick has n bottles of soda left after his birthday. Each bottle is described by two values: remaining amount of soda ai and bottle vol... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Dasha is fond of challenging puzzles: Rubik's Cube 3 × 3 × 3, 4 × 4 × 4, 5 × 5 × 5 and so on. This time she has a cyclic table of size... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Igor is a post-graduate student of chemistry faculty in Berland State University (BerSU). He needs to conduct a complicated experiment... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.As technologies develop, manufacturers are making the process of unlocking a phone as user-friendly as possible. To unlock its new pho... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Luba thinks about watering her garden. The garden can be represented as a segment of length k. Luba has got n buckets, the i-th bucket... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You and your friend are participating in a TV show "Run For Your Prize".
At the start of the show n prizes are located on a straight ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Adilbek's house is located on a street which can be represented as the OX axis. This street is really dark, so Adilbek wants to instal... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.As you know Appu created aversion to Maths after that maths problem given by his teacher.So he stopped studying and began to do farmin... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In the previous problem Chandu bought some unsorted arrays and sorted them (in non-increasing order). Now, he has many sorted arrays t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Description
You are given two strings S and T, such that length of S is greater than the length of T.
Then a substring of S is defined... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Roy is going through the dark times of his life. Recently his girl friend broke up with him and to overcome the pain of acute misery h... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Problem:
Rani and Nandu decide to play a number game. Both play alternately, Rani playing the first move.
In each of their moves, t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Rakesh have learn about vowel in school and is given an assignment by his teacher in which he has to list all vowel together from the ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Takahashi is participating in a programming contest called AXC002, and he has just submitted his code to Problem A.
The problem has N... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In this problem, we only consider strings consisting of lowercase English letters.
Strings s and t are said to be isomorphic when the... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Having learned the multiplication table, Takahashi can multiply two integers between 1 and 9 (inclusive) together. He cannot do any ot... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There is a staircase with N steps. Takahashi is now standing at the foot of the stairs, that is, on the 0-th step. He can climb up one... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
Constraints
* 1 ≤ a... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are N students and M checkpoints on the xy-plane.
The coordinates of the i-th student (1 \leq i \leq N) is (a_i,b_i), and the co... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Two students of AtCoder Kindergarten are fighting over candy packs.
There are three candy packs, each of which contains a, b, and c c... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.4 different points on the plane Read the coordinates of $ A (x_a, y_a) $, $ B (x_b, y_b) $, $ C (x_c, y_c) $, $ D (x_d, y_d) $ and rea... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Sorting algorithms for sorting data are basic algorithms indispensable in computer science. For example, as shown in the figure below,... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.problem
If you write a positive integer in decimal notation (without leading 0) and look at the digit numbers in order, when the numb... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Short Phrase
A Short Phrase (aka. Tanku) is a fixed verse, inspired by Japanese poetry Tanka and Haiku. It is a sequence of words, ea... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Taro is an elementary school student who has just learned multiplication. Somehow, he likes multiplication, so when he sees numbers, h... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Step up and down
Kazuki, commonly known as Kerr, who attends JAG University, was invited by your friend this summer to participate in... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.problem
Given $ N $ different natural numbers $ a_i $. I decided to make a pair by choosing a different natural number from the given... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Write a program of the Selection Sort algorithm which sorts a sequence A in ascending order. The algorithm should be based on the foll... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Taro is going to play a card game. However, now he has only n cards, even though there should be 52 cards (he has no Jokers).
The 52 ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Problem Desrcription
Shil likes to play with trees a lot.He is playing with an undirected tree containing N nodes.He wants to find out... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.This is a simple game you must have played around with during your school days, calculating FLAMES of you and your crush! Given the na... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Now that Chef has finished baking and frosting his cupcakes, it's time to package them. Chef has N cupcakes, and needs to decide how m... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given a simple code of a function and you would like to know what it will return.
F(N, K, Answer, Operator, A[N]) returns i... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Chef and his girlfriend are going to have a promenade. They are walking along the straight road which consists of segments placed one ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.At a geometry lesson Gerald was given a task: to get vector B out of vector A. Besides, the teacher permitted him to perform the follo... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Awruk is taking part in elections in his school. It is the final round. He has only one opponent — Elodreip. The are n students in the... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given a binary matrix A of size n × n. Let's denote an x-compression of the given matrix as a matrix B of size n/x × n/x such ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given a string s consisting of n lowercase Latin letters.
Let's define a substring as a contiguous subsegment of a string. Fo... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are playing a computer card game called Splay the Sire. Currently you are struggling to defeat the final boss of the game.
The bo... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Alice is playing with some stones.
Now there are three numbered heaps of stones. The first of them contains a stones, the second of t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are n cities in Berland and some pairs of them are connected by two-way roads. It is guaranteed that you can pass from any city ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given two arrays of integers a_1,…,a_n and b_1,…,b_m.
Your task is to find a non-empty array c_1,…,c_k that is a subsequence ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Valeric and Valerko missed the last Euro football game, so they decided to watch the game's key moments on the Net. They want to start... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.A string is called a k-string if it can be represented as k concatenated copies of some string. For example, the string "aabaabaabaab"... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.The black king is standing on a chess field consisting of 109 rows and 109 columns. We will consider the rows of the field numbered wi... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Manao works on a sports TV. He's spent much time watching the football games of some country. After a while he began to notice differe... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In the rush of modern life, people often forget how beautiful the world is. The time to enjoy those around them is so little that some... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Xenia the beginner mathematician is a third year student at elementary school. She is now learning the addition operation.
The teache... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.The bear decided to store some raspberry for the winter. He cunningly found out the price for a barrel of honey in kilos of raspberry ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Kitahara Haruki has bought n apples for Touma Kazusa and Ogiso Setsuna. Now he wants to divide all the apples between the friends.
Ea... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Andrew plays a game called "Civilization". Dima helps him.
The game has n cities and m bidirectional roads. The cities are numbered f... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are five people playing a game called "Generosity". Each person gives some non-zero number of coins b as an initial bet. After a... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.New Year is coming, and Jaehyun decided to read many books during 2015, unlike this year. He has n books numbered by integers from 1 t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In this problem you will meet the simplified model of game King of Thieves.
In a new ZeptoLab game called "King of Thieves" your aim ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Professor GukiZ doesn't accept string as they are. He likes to swap some letters in string to obtain a new one.
GukiZ has strings a, ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Polycarp is working on a new project called "Polychat". Following modern tendencies in IT, he decided, that this project should contai... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Wet Shark asked Rat Kwesh to generate three positive real numbers x, y and z, from 0.1 to 200.0, inclusive. Wet Krash wants to impress... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.In late autumn evening n robots gathered in the cheerful company of friends. Each robot has a unique identifier — an integer from 1 to... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given a permutation of the numbers 1, 2, ..., n and m pairs of positions (aj, bj).
At each step you can choose a pair from th... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t minutes. The... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are n people and k keys on a straight line. Every person wants to get to the office which is located on the line as well. To do ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Disclaimer: there are lots of untranslateable puns in the Russian version of the statement, so there is one more reason for you to lea... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Let's consider the following game. We have a rectangular field n × m in size. Some squares of the field contain chips.
Each chip has ... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given an undirected graph consisting of n vertices and <image> edges. Instead of giving you the edges that exist in the graph,... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Two-gram is an ordered pair (i.e. string of length two) of capital Latin letters. For example, "AZ", "AA", "ZA" — three distinct two-g... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Ramesh and Suresh were in the same class and got home work from their mathematics teacher. The Homework consists of N strings and each... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Draco Malfoy and Hermione Granger have gotten into a "battle of brains". Draco was foolish enough to challenge her to a Arithmancy pro... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Given 2 numbers n1 and n2, following operations can be performed:
1) Decrement n1 by 1(if n1>1)
2) Decrement n2 by 1(if n2>1)
3) Incre... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Jiro is a fun loving lad. His classmates are very competitive and are striving for getting a good rank, while he loves seeing them fig... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.PowerShell had N natural numbers. He wanted to test Xenny's speed in finding the sum and difference of several numbers.
He decided to... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Find the number of integers between 1 and N (inclusive) that contains exactly K non-zero digits when written in base ten.
Constraints... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.Takahashi went to an all-you-can-eat buffet with N kinds of dishes and ate all of them (Dish 1, Dish 2, \ldots, Dish N) once.
The i-t... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.There are N integers a_1, a_2, ..., a_N not less than 1. The values of a_1, a_2, ..., a_N are not known, but it is known that a_1 \tim... |
user: Generate an executable Python function generated from the given prompt. The function should take stdin as input and print the output. Simply call the function after the definition.You are given an integer sequence A of length N and an integer K. You will perform the following operation on this sequence Q times:
... |
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